[156039] in North American Network Operators' Group
Re: Blocking MX query
daemon@ATHENA.MIT.EDU (Suresh Ramasubramanian)
Tue Sep 4 20:35:26 2012
In-Reply-To: <50469CFD.2080103@necom830.hpcl.titech.ac.jp>
Date: Wed, 5 Sep 2012 06:04:53 +0530
From: Suresh Ramasubramanian <ops.lists@gmail.com>
To: Masataka Ohta <mohta@necom830.hpcl.titech.ac.jp>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Who cares about NAT when you say smtp auth rather than allowing relay for
specific IPs? And if you mean your smarthost is a linux box in your home,
it isn't impossible to get static IP broadband .. which is neither natted
nor port 25 filtered.
On Sep 5, 2012 6:01 AM, "Masataka Ohta" <mohta@necom830.hpcl.titech.ac.jp>
wrote:
> Suresh Ramasubramanian wrote:
>
> > Have your desktop MTA configured to relay through your smarthost with
> smtp
> > auth? Howtos for doing this on sendmail, qmail, postfix etc are over a
> > decade old now.
>
> What if, your home is also behind NAT or blocked port 25?
>
> Masataka Ohta
>
>
>
